Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1991-07-03
1993-11-23
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523412, C08K 320, C08L 6302
Patent
active
052644685
ABSTRACT:
An aqueous crosslinkable resin composition suitable as surface coating material, under coating material, impregnation treating material or binder and having excellent properties such as solvent resistance, water resistance, thermal discoloration resistance, long pot life and no generation of formaldehyde, which comprises (A) an acrylic copolymer of a carboxyl group-containing monomer, an alkyl acrylate or methacrylate, and optionally a monomer having a basic nitrogen atom and/or other copolymerizable vinyl monomers, wherein at least 0.5 % by mole of carboxyl groups is neutralized with an imidazole compound, and (B) an epoxy resin, the equivalent ratio of the carboxyl group of (A) to the epoxy group of (B) being from 1/3 to 3/1.
REFERENCES:
patent: 4339368 (1982-07-01), Tsou et al.
patent: 4882372 (1989-11-01), Woo et al.
Aylward D.
Chuo Rika Kogyo Corporation
Marquis Melvyn I.
Mason, Jr. Joseph C.
Smith Ronald E.
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